class AddResultsColumns < ActiveRecord::Migration
  def self.up
    add_column :original_results, :test_id, :integer
    add_column :original_results, :trend_id, :integer
    add_column :original_results, :part_id, :integer
  end

  def self.down
    remove_column :original_results, :test_id
    remove_column :original_results, :trend_id
    remove_column :original_results, :part_id  
  end
end
